xref: /linux/drivers/net/wireless/ralink/rt2x00/rt2800usb.c (revision 9f7d35d9f7a184ffb591b090b2cbf63d2d599c02)
1 /*
2 	Copyright (C) 2010 Willow Garage <http://www.willowgarage.com>
3 	Copyright (C) 2009 - 2010 Ivo van Doorn <IvDoorn@gmail.com>
4 	Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de>
5 	Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
6 	Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com>
7 	Copyright (C) 2009 Axel Kollhofer <rain_maker@root-forum.org>
8 	<http://rt2x00.serialmonkey.com>
9 
10 	This program is free software; you can redistribute it and/or modify
11 	it under the terms of the GNU General Public License as published by
12 	the Free Software Foundation; either version 2 of the License, or
13 	(at your option) any later version.
14 
15 	This program is distributed in the hope that it will be useful,
16 	but WITHOUT ANY WARRANTY; without even the implied warranty of
17 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 	GNU General Public License for more details.
19 
20 	You should have received a copy of the GNU General Public License
21 	along with this program; if not, see <http://www.gnu.org/licenses/>.
22  */
23 
24 /*
25 	Module: rt2800usb
26 	Abstract: rt2800usb device specific routines.
27 	Supported chipsets: RT2800U.
28  */
29 
30 #include <linux/delay.h>
31 #include <linux/etherdevice.h>
32 #include <linux/kernel.h>
33 #include <linux/module.h>
34 #include <linux/usb.h>
35 
36 #include "rt2x00.h"
37 #include "rt2x00usb.h"
38 #include "rt2800lib.h"
39 #include "rt2800.h"
40 #include "rt2800usb.h"
41 
42 /*
43  * Allow hardware encryption to be disabled.
44  */
45 static bool modparam_nohwcrypt;
46 module_param_named(nohwcrypt, modparam_nohwcrypt, bool, 0444);
47 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
48 
49 static bool rt2800usb_hwcrypt_disabled(struct rt2x00_dev *rt2x00dev)
50 {
51 	return modparam_nohwcrypt;
52 }
53 
54 /*
55  * Queue handlers.
56  */
57 static void rt2800usb_start_queue(struct data_queue *queue)
58 {
59 	struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
60 	u32 reg;
61 
62 	switch (queue->qid) {
63 	case QID_RX:
64 		reg = rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL);
65 		rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
66 		rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
67 		break;
68 	case QID_BEACON:
69 		reg = rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG);
70 		rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
71 		rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
72 		rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
73 		rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
74 		break;
75 	default:
76 		break;
77 	}
78 }
79 
80 static void rt2800usb_stop_queue(struct data_queue *queue)
81 {
82 	struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
83 	u32 reg;
84 
85 	switch (queue->qid) {
86 	case QID_RX:
87 		reg = rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL);
88 		rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
89 		rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
90 		break;
91 	case QID_BEACON:
92 		reg = rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG);
93 		rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
94 		rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
95 		rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
96 		rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
97 		break;
98 	default:
99 		break;
100 	}
101 }
102 
103 /*
104  * test if there is an entry in any TX queue for which DMA is done
105  * but the TX status has not been returned yet
106  */
107 static bool rt2800usb_txstatus_pending(struct rt2x00_dev *rt2x00dev)
108 {
109 	struct data_queue *queue;
110 
111 	tx_queue_for_each(rt2x00dev, queue) {
112 		if (rt2x00queue_get_entry(queue, Q_INDEX_DMA_DONE) !=
113 		    rt2x00queue_get_entry(queue, Q_INDEX_DONE))
114 			return true;
115 	}
116 	return false;
117 }
118 
119 #define TXSTATUS_READ_INTERVAL 1000000
120 
121 static bool rt2800usb_tx_sta_fifo_read_completed(struct rt2x00_dev *rt2x00dev,
122 						 int urb_status, u32 tx_status)
123 {
124 	bool valid;
125 
126 	if (urb_status) {
127 		rt2x00_warn(rt2x00dev, "TX status read failed %d\n",
128 			    urb_status);
129 
130 		goto stop_reading;
131 	}
132 
133 	valid = rt2x00_get_field32(tx_status, TX_STA_FIFO_VALID);
134 	if (valid) {
135 		if (!kfifo_put(&rt2x00dev->txstatus_fifo, tx_status))
136 			rt2x00_warn(rt2x00dev, "TX status FIFO overrun\n");
137 
138 		queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
139 
140 		/* Reschedule urb to read TX status again instantly */
141 		return true;
142 	}
143 
144 	/* Check if there is any entry that timedout waiting on TX status */
145 	if (rt2800_txstatus_timeout(rt2x00dev))
146 		queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
147 
148 	if (rt2800usb_txstatus_pending(rt2x00dev)) {
149 		/* Read register after 1 ms */
150 		hrtimer_start(&rt2x00dev->txstatus_timer,
151 			      TXSTATUS_READ_INTERVAL,
152 			      HRTIMER_MODE_REL);
153 		return false;
154 	}
155 
156 stop_reading:
157 	clear_bit(TX_STATUS_READING, &rt2x00dev->flags);
158 	/*
159 	 * There is small race window above, between txstatus pending check and
160 	 * clear_bit someone could do rt2x00usb_interrupt_txdone, so recheck
161 	 * here again if status reading is needed.
162 	 */
163 	if (rt2800usb_txstatus_pending(rt2x00dev) &&
164 	    !test_and_set_bit(TX_STATUS_READING, &rt2x00dev->flags))
165 		return true;
166 	else
167 		return false;
168 }
169 
170 static void rt2800usb_async_read_tx_status(struct rt2x00_dev *rt2x00dev)
171 {
172 
173 	if (test_and_set_bit(TX_STATUS_READING, &rt2x00dev->flags))
174 		return;
175 
176 	/* Read TX_STA_FIFO register after 2 ms */
177 	hrtimer_start(&rt2x00dev->txstatus_timer,
178 		      2 * TXSTATUS_READ_INTERVAL,
179 		      HRTIMER_MODE_REL);
180 }
181 
182 static void rt2800usb_tx_dma_done(struct queue_entry *entry)
183 {
184 	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
185 
186 	rt2800usb_async_read_tx_status(rt2x00dev);
187 }
188 
189 static enum hrtimer_restart rt2800usb_tx_sta_fifo_timeout(struct hrtimer *timer)
190 {
191 	struct rt2x00_dev *rt2x00dev =
192 	    container_of(timer, struct rt2x00_dev, txstatus_timer);
193 
194 	rt2x00usb_register_read_async(rt2x00dev, TX_STA_FIFO,
195 				      rt2800usb_tx_sta_fifo_read_completed);
196 
197 	return HRTIMER_NORESTART;
198 }
199 
200 /*
201  * Firmware functions
202  */
203 static int rt2800usb_autorun_detect(struct rt2x00_dev *rt2x00dev)
204 {
205 	__le32 *reg;
206 	u32 fw_mode;
207 	int ret;
208 
209 	reg = kmalloc(sizeof(*reg), GFP_KERNEL);
210 	if (reg == NULL)
211 		return -ENOMEM;
212 	/* cannot use rt2x00usb_register_read here as it uses different
213 	 * mode (MULTI_READ vs. DEVICE_MODE) and does not pass the
214 	 * magic value USB_MODE_AUTORUN (0x11) to the device, thus the
215 	 * returned value would be invalid.
216 	 */
217 	ret = rt2x00usb_vendor_request(rt2x00dev, USB_DEVICE_MODE,
218 				       USB_VENDOR_REQUEST_IN, 0,
219 				       USB_MODE_AUTORUN, reg, sizeof(*reg),
220 				       REGISTER_TIMEOUT_FIRMWARE);
221 	fw_mode = le32_to_cpu(*reg);
222 	kfree(reg);
223 	if (ret < 0)
224 		return ret;
225 
226 	if ((fw_mode & 0x00000003) == 2)
227 		return 1;
228 
229 	return 0;
230 }
231 
232 static char *rt2800usb_get_firmware_name(struct rt2x00_dev *rt2x00dev)
233 {
234 	return FIRMWARE_RT2870;
235 }
236 
237 static int rt2800usb_write_firmware(struct rt2x00_dev *rt2x00dev,
238 				    const u8 *data, const size_t len)
239 {
240 	int status;
241 	u32 offset;
242 	u32 length;
243 	int retval;
244 
245 	/*
246 	 * Check which section of the firmware we need.
247 	 */
248 	if (rt2x00_rt(rt2x00dev, RT2860) ||
249 	    rt2x00_rt(rt2x00dev, RT2872) ||
250 	    rt2x00_rt(rt2x00dev, RT3070)) {
251 		offset = 0;
252 		length = 4096;
253 	} else {
254 		offset = 4096;
255 		length = 4096;
256 	}
257 
258 	/*
259 	 * Write firmware to device.
260 	 */
261 	retval = rt2800usb_autorun_detect(rt2x00dev);
262 	if (retval < 0)
263 		return retval;
264 	if (retval) {
265 		rt2x00_info(rt2x00dev,
266 			    "Firmware loading not required - NIC in AutoRun mode\n");
267 		__clear_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags);
268 	} else {
269 		rt2x00usb_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE,
270 					      data + offset, length);
271 	}
272 
273 	rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
274 	rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
275 
276 	/*
277 	 * Send firmware request to device to load firmware,
278 	 * we need to specify a long timeout time.
279 	 */
280 	status = rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE,
281 					     0, USB_MODE_FIRMWARE,
282 					     REGISTER_TIMEOUT_FIRMWARE);
283 	if (status < 0) {
284 		rt2x00_err(rt2x00dev, "Failed to write Firmware to device\n");
285 		return status;
286 	}
287 
288 	msleep(10);
289 	rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
290 
291 	return 0;
292 }
293 
294 /*
295  * Device state switch handlers.
296  */
297 static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
298 {
299 	u32 reg;
300 
301 	/*
302 	 * Wait until BBP and RF are ready.
303 	 */
304 	if (rt2800_wait_csr_ready(rt2x00dev))
305 		return -EBUSY;
306 
307 	reg = rt2x00usb_register_read(rt2x00dev, PBF_SYS_CTRL);
308 	rt2x00usb_register_write(rt2x00dev, PBF_SYS_CTRL, reg & ~0x00002000);
309 
310 	reg = 0;
311 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
312 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
313 	rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
314 
315 	rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
316 				    USB_MODE_RESET, REGISTER_TIMEOUT);
317 
318 	rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
319 
320 	return 0;
321 }
322 
323 static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev)
324 {
325 	u32 reg = 0;
326 
327 	if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev)))
328 		return -EIO;
329 
330 	rt2x00_set_field32(&reg, USB_DMA_CFG_PHY_CLEAR, 0);
331 	rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_EN, 0);
332 	rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_TIMEOUT, 128);
333 	/*
334 	 * Total room for RX frames in kilobytes, PBF might still exceed
335 	 * this limit so reduce the number to prevent errors.
336 	 */
337 	rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_LIMIT,
338 			   ((rt2x00dev->rx->limit * DATA_FRAME_SIZE)
339 			    / 1024) - 3);
340 	rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_EN, 1);
341 	rt2x00_set_field32(&reg, USB_DMA_CFG_TX_BULK_EN, 1);
342 	rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, reg);
343 
344 	return rt2800_enable_radio(rt2x00dev);
345 }
346 
347 static void rt2800usb_disable_radio(struct rt2x00_dev *rt2x00dev)
348 {
349 	rt2800_disable_radio(rt2x00dev);
350 }
351 
352 static int rt2800usb_set_state(struct rt2x00_dev *rt2x00dev,
353 			       enum dev_state state)
354 {
355 	if (state == STATE_AWAKE)
356 		rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, 0xff, 0, 2);
357 	else
358 		rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0xff, 2);
359 
360 	return 0;
361 }
362 
363 static int rt2800usb_set_device_state(struct rt2x00_dev *rt2x00dev,
364 				      enum dev_state state)
365 {
366 	int retval = 0;
367 
368 	switch (state) {
369 	case STATE_RADIO_ON:
370 		/*
371 		 * Before the radio can be enabled, the device first has
372 		 * to be woken up. After that it needs a bit of time
373 		 * to be fully awake and then the radio can be enabled.
374 		 */
375 		rt2800usb_set_state(rt2x00dev, STATE_AWAKE);
376 		msleep(1);
377 		retval = rt2800usb_enable_radio(rt2x00dev);
378 		break;
379 	case STATE_RADIO_OFF:
380 		/*
381 		 * After the radio has been disabled, the device should
382 		 * be put to sleep for powersaving.
383 		 */
384 		rt2800usb_disable_radio(rt2x00dev);
385 		rt2800usb_set_state(rt2x00dev, STATE_SLEEP);
386 		break;
387 	case STATE_RADIO_IRQ_ON:
388 	case STATE_RADIO_IRQ_OFF:
389 		/* No support, but no error either */
390 		break;
391 	case STATE_DEEP_SLEEP:
392 	case STATE_SLEEP:
393 	case STATE_STANDBY:
394 	case STATE_AWAKE:
395 		retval = rt2800usb_set_state(rt2x00dev, state);
396 		break;
397 	default:
398 		retval = -ENOTSUPP;
399 		break;
400 	}
401 
402 	if (unlikely(retval))
403 		rt2x00_err(rt2x00dev, "Device failed to enter state %d (%d)\n",
404 			   state, retval);
405 
406 	return retval;
407 }
408 
409 /*
410  * TX descriptor initialization
411  */
412 static __le32 *rt2800usb_get_txwi(struct queue_entry *entry)
413 {
414 	if (entry->queue->qid == QID_BEACON)
415 		return (__le32 *) (entry->skb->data);
416 	else
417 		return (__le32 *) (entry->skb->data + TXINFO_DESC_SIZE);
418 }
419 
420 static void rt2800usb_write_tx_desc(struct queue_entry *entry,
421 				    struct txentry_desc *txdesc)
422 {
423 	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
424 	__le32 *txi = (__le32 *) entry->skb->data;
425 	u32 word;
426 
427 	/*
428 	 * Initialize TXINFO descriptor
429 	 */
430 	word = rt2x00_desc_read(txi, 0);
431 
432 	/*
433 	 * The size of TXINFO_W0_USB_DMA_TX_PKT_LEN is
434 	 * TXWI + 802.11 header + L2 pad + payload + pad,
435 	 * so need to decrease size of TXINFO.
436 	 */
437 	rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_PKT_LEN,
438 			   roundup(entry->skb->len, 4) - TXINFO_DESC_SIZE);
439 	rt2x00_set_field32(&word, TXINFO_W0_WIV,
440 			   !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags));
441 	rt2x00_set_field32(&word, TXINFO_W0_QSEL, 2);
442 	rt2x00_set_field32(&word, TXINFO_W0_SW_USE_LAST_ROUND, 0);
443 	rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_NEXT_VALID, 0);
444 	rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_BURST,
445 			   test_bit(ENTRY_TXD_BURST, &txdesc->flags));
446 	rt2x00_desc_write(txi, 0, word);
447 
448 	/*
449 	 * Register descriptor details in skb frame descriptor.
450 	 */
451 	skbdesc->flags |= SKBDESC_DESC_IN_SKB;
452 	skbdesc->desc = txi;
453 	skbdesc->desc_len = TXINFO_DESC_SIZE + entry->queue->winfo_size;
454 }
455 
456 /*
457  * TX data initialization
458  */
459 static int rt2800usb_get_tx_data_len(struct queue_entry *entry)
460 {
461 	/*
462 	 * pad(1~3 bytes) is needed after each 802.11 payload.
463 	 * USB end pad(4 bytes) is needed at each USB bulk out packet end.
464 	 * TX frame format is :
465 	 * | TXINFO | TXWI | 802.11 header | L2 pad | payload | pad | USB end pad |
466 	 *                 |<------------- tx_pkt_len ------------->|
467 	 */
468 
469 	return roundup(entry->skb->len, 4) + 4;
470 }
471 
472 /*
473  * TX control handlers
474  */
475 static void rt2800usb_work_txdone(struct work_struct *work)
476 {
477 	struct rt2x00_dev *rt2x00dev =
478 	    container_of(work, struct rt2x00_dev, txdone_work);
479 
480 	while (!kfifo_is_empty(&rt2x00dev->txstatus_fifo) ||
481 	       rt2800_txstatus_timeout(rt2x00dev)) {
482 
483 		rt2800_txdone(rt2x00dev);
484 
485 		rt2800_txdone_nostatus(rt2x00dev);
486 
487 		/*
488 		 * The hw may delay sending the packet after DMA complete
489 		 * if the medium is busy, thus the TX_STA_FIFO entry is
490 		 * also delayed -> use a timer to retrieve it.
491 		 */
492 		if (rt2800usb_txstatus_pending(rt2x00dev))
493 			rt2800usb_async_read_tx_status(rt2x00dev);
494 	}
495 }
496 
497 /*
498  * RX control handlers
499  */
500 static void rt2800usb_fill_rxdone(struct queue_entry *entry,
501 				  struct rxdone_entry_desc *rxdesc)
502 {
503 	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
504 	__le32 *rxi = (__le32 *)entry->skb->data;
505 	__le32 *rxd;
506 	u32 word;
507 	int rx_pkt_len;
508 
509 	/*
510 	 * Copy descriptor to the skbdesc->desc buffer, making it safe from
511 	 * moving of frame data in rt2x00usb.
512 	 */
513 	memcpy(skbdesc->desc, rxi, skbdesc->desc_len);
514 
515 	/*
516 	 * RX frame format is :
517 	 * | RXINFO | RXWI | header | L2 pad | payload | pad | RXD | USB pad |
518 	 *          |<------------ rx_pkt_len -------------->|
519 	 */
520 	word = rt2x00_desc_read(rxi, 0);
521 	rx_pkt_len = rt2x00_get_field32(word, RXINFO_W0_USB_DMA_RX_PKT_LEN);
522 
523 	/*
524 	 * Remove the RXINFO structure from the sbk.
525 	 */
526 	skb_pull(entry->skb, RXINFO_DESC_SIZE);
527 
528 	/*
529 	 * Check for rx_pkt_len validity. Return if invalid, leaving
530 	 * rxdesc->size zeroed out by the upper level.
531 	 */
532 	if (unlikely(rx_pkt_len == 0 ||
533 			rx_pkt_len > entry->queue->data_size)) {
534 		rt2x00_err(entry->queue->rt2x00dev,
535 			   "Bad frame size %d, forcing to 0\n", rx_pkt_len);
536 		return;
537 	}
538 
539 	rxd = (__le32 *)(entry->skb->data + rx_pkt_len);
540 
541 	/*
542 	 * It is now safe to read the descriptor on all architectures.
543 	 */
544 	word = rt2x00_desc_read(rxd, 0);
545 
546 	if (rt2x00_get_field32(word, RXD_W0_CRC_ERROR))
547 		rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
548 
549 	rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W0_CIPHER_ERROR);
550 
551 	if (rt2x00_get_field32(word, RXD_W0_DECRYPTED)) {
552 		/*
553 		 * Hardware has stripped IV/EIV data from 802.11 frame during
554 		 * decryption. Unfortunately the descriptor doesn't contain
555 		 * any fields with the EIV/IV data either, so they can't
556 		 * be restored by rt2x00lib.
557 		 */
558 		rxdesc->flags |= RX_FLAG_IV_STRIPPED;
559 
560 		/*
561 		 * The hardware has already checked the Michael Mic and has
562 		 * stripped it from the frame. Signal this to mac80211.
563 		 */
564 		rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
565 
566 		if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS) {
567 			rxdesc->flags |= RX_FLAG_DECRYPTED;
568 		} else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC) {
569 			/*
570 			 * In order to check the Michael Mic, the packet must have
571 			 * been decrypted.  Mac80211 doesnt check the MMIC failure
572 			 * flag to initiate MMIC countermeasures if the decoded flag
573 			 * has not been set.
574 			 */
575 			rxdesc->flags |= RX_FLAG_DECRYPTED;
576 
577 			rxdesc->flags |= RX_FLAG_MMIC_ERROR;
578 		}
579 	}
580 
581 	if (rt2x00_get_field32(word, RXD_W0_MY_BSS))
582 		rxdesc->dev_flags |= RXDONE_MY_BSS;
583 
584 	if (rt2x00_get_field32(word, RXD_W0_L2PAD))
585 		rxdesc->dev_flags |= RXDONE_L2PAD;
586 
587 	/*
588 	 * Remove RXD descriptor from end of buffer.
589 	 */
590 	skb_trim(entry->skb, rx_pkt_len);
591 
592 	/*
593 	 * Process the RXWI structure.
594 	 */
595 	rt2800_process_rxwi(entry, rxdesc);
596 }
597 
598 /*
599  * Device probe functions.
600  */
601 static int rt2800usb_efuse_detect(struct rt2x00_dev *rt2x00dev)
602 {
603 	int retval;
604 
605 	retval = rt2800usb_autorun_detect(rt2x00dev);
606 	if (retval < 0)
607 		return retval;
608 	if (retval)
609 		return 1;
610 	return rt2800_efuse_detect(rt2x00dev);
611 }
612 
613 static int rt2800usb_read_eeprom(struct rt2x00_dev *rt2x00dev)
614 {
615 	int retval;
616 
617 	retval = rt2800usb_efuse_detect(rt2x00dev);
618 	if (retval < 0)
619 		return retval;
620 	if (retval)
621 		retval = rt2800_read_eeprom_efuse(rt2x00dev);
622 	else
623 		retval = rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom,
624 					       EEPROM_SIZE);
625 
626 	return retval;
627 }
628 
629 static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
630 {
631 	int retval;
632 
633 	retval = rt2800_probe_hw(rt2x00dev);
634 	if (retval)
635 		return retval;
636 
637 	/*
638 	 * Set txstatus timer function.
639 	 */
640 	rt2x00dev->txstatus_timer.function = rt2800usb_tx_sta_fifo_timeout;
641 
642 	/*
643 	 * Overwrite TX done handler
644 	 */
645 	INIT_WORK(&rt2x00dev->txdone_work, rt2800usb_work_txdone);
646 
647 	return 0;
648 }
649 
650 static const struct ieee80211_ops rt2800usb_mac80211_ops = {
651 	.tx			= rt2x00mac_tx,
652 	.start			= rt2x00mac_start,
653 	.stop			= rt2x00mac_stop,
654 	.add_interface		= rt2x00mac_add_interface,
655 	.remove_interface	= rt2x00mac_remove_interface,
656 	.config			= rt2x00mac_config,
657 	.configure_filter	= rt2x00mac_configure_filter,
658 	.set_tim		= rt2x00mac_set_tim,
659 	.set_key		= rt2x00mac_set_key,
660 	.sw_scan_start		= rt2x00mac_sw_scan_start,
661 	.sw_scan_complete	= rt2x00mac_sw_scan_complete,
662 	.get_stats		= rt2x00mac_get_stats,
663 	.get_key_seq		= rt2800_get_key_seq,
664 	.set_rts_threshold	= rt2800_set_rts_threshold,
665 	.sta_add		= rt2800_sta_add,
666 	.sta_remove		= rt2800_sta_remove,
667 	.bss_info_changed	= rt2x00mac_bss_info_changed,
668 	.conf_tx		= rt2800_conf_tx,
669 	.get_tsf		= rt2800_get_tsf,
670 	.rfkill_poll		= rt2x00mac_rfkill_poll,
671 	.ampdu_action		= rt2800_ampdu_action,
672 	.flush			= rt2x00mac_flush,
673 	.get_survey		= rt2800_get_survey,
674 	.get_ringparam		= rt2x00mac_get_ringparam,
675 	.tx_frames_pending	= rt2x00mac_tx_frames_pending,
676 };
677 
678 static const struct rt2800_ops rt2800usb_rt2800_ops = {
679 	.register_read		= rt2x00usb_register_read,
680 	.register_read_lock	= rt2x00usb_register_read_lock,
681 	.register_write		= rt2x00usb_register_write,
682 	.register_write_lock	= rt2x00usb_register_write_lock,
683 	.register_multiread	= rt2x00usb_register_multiread,
684 	.register_multiwrite	= rt2x00usb_register_multiwrite,
685 	.regbusy_read		= rt2x00usb_regbusy_read,
686 	.read_eeprom		= rt2800usb_read_eeprom,
687 	.hwcrypt_disabled	= rt2800usb_hwcrypt_disabled,
688 	.drv_write_firmware	= rt2800usb_write_firmware,
689 	.drv_init_registers	= rt2800usb_init_registers,
690 	.drv_get_txwi		= rt2800usb_get_txwi,
691 };
692 
693 static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
694 	.probe_hw		= rt2800usb_probe_hw,
695 	.get_firmware_name	= rt2800usb_get_firmware_name,
696 	.check_firmware		= rt2800_check_firmware,
697 	.load_firmware		= rt2800_load_firmware,
698 	.initialize		= rt2x00usb_initialize,
699 	.uninitialize		= rt2x00usb_uninitialize,
700 	.clear_entry		= rt2x00usb_clear_entry,
701 	.set_device_state	= rt2800usb_set_device_state,
702 	.rfkill_poll		= rt2800_rfkill_poll,
703 	.link_stats		= rt2800_link_stats,
704 	.reset_tuner		= rt2800_reset_tuner,
705 	.link_tuner		= rt2800_link_tuner,
706 	.gain_calibration	= rt2800_gain_calibration,
707 	.vco_calibration	= rt2800_vco_calibration,
708 	.start_queue		= rt2800usb_start_queue,
709 	.kick_queue		= rt2x00usb_kick_queue,
710 	.stop_queue		= rt2800usb_stop_queue,
711 	.flush_queue		= rt2x00usb_flush_queue,
712 	.tx_dma_done		= rt2800usb_tx_dma_done,
713 	.write_tx_desc		= rt2800usb_write_tx_desc,
714 	.write_tx_data		= rt2800_write_tx_data,
715 	.write_beacon		= rt2800_write_beacon,
716 	.clear_beacon		= rt2800_clear_beacon,
717 	.get_tx_data_len	= rt2800usb_get_tx_data_len,
718 	.fill_rxdone		= rt2800usb_fill_rxdone,
719 	.config_shared_key	= rt2800_config_shared_key,
720 	.config_pairwise_key	= rt2800_config_pairwise_key,
721 	.config_filter		= rt2800_config_filter,
722 	.config_intf		= rt2800_config_intf,
723 	.config_erp		= rt2800_config_erp,
724 	.config_ant		= rt2800_config_ant,
725 	.config			= rt2800_config,
726 };
727 
728 static void rt2800usb_queue_init(struct data_queue *queue)
729 {
730 	struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
731 	unsigned short txwi_size, rxwi_size;
732 
733 	rt2800_get_txwi_rxwi_size(rt2x00dev, &txwi_size, &rxwi_size);
734 
735 	switch (queue->qid) {
736 	case QID_RX:
737 		queue->limit = 128;
738 		queue->data_size = AGGREGATION_SIZE;
739 		queue->desc_size = RXINFO_DESC_SIZE;
740 		queue->winfo_size = rxwi_size;
741 		queue->priv_size = sizeof(struct queue_entry_priv_usb);
742 		break;
743 
744 	case QID_AC_VO:
745 	case QID_AC_VI:
746 	case QID_AC_BE:
747 	case QID_AC_BK:
748 		queue->limit = 16;
749 		queue->data_size = AGGREGATION_SIZE;
750 		queue->desc_size = TXINFO_DESC_SIZE;
751 		queue->winfo_size = txwi_size;
752 		queue->priv_size = sizeof(struct queue_entry_priv_usb);
753 		break;
754 
755 	case QID_BEACON:
756 		queue->limit = 8;
757 		queue->data_size = MGMT_FRAME_SIZE;
758 		queue->desc_size = TXINFO_DESC_SIZE;
759 		queue->winfo_size = txwi_size;
760 		queue->priv_size = sizeof(struct queue_entry_priv_usb);
761 		break;
762 
763 	case QID_ATIM:
764 		/* fallthrough */
765 	default:
766 		BUG();
767 		break;
768 	}
769 }
770 
771 static const struct rt2x00_ops rt2800usb_ops = {
772 	.name			= KBUILD_MODNAME,
773 	.drv_data_size		= sizeof(struct rt2800_drv_data),
774 	.max_ap_intf		= 8,
775 	.eeprom_size		= EEPROM_SIZE,
776 	.rf_size		= RF_SIZE,
777 	.tx_queues		= NUM_TX_QUEUES,
778 	.queue_init		= rt2800usb_queue_init,
779 	.lib			= &rt2800usb_rt2x00_ops,
780 	.drv			= &rt2800usb_rt2800_ops,
781 	.hw			= &rt2800usb_mac80211_ops,
782 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
783 	.debugfs		= &rt2800_rt2x00debug,
784 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
785 };
786 
787 /*
788  * rt2800usb module information.
789  */
790 static const struct usb_device_id rt2800usb_device_table[] = {
791 	/* Abocom */
792 	{ USB_DEVICE(0x07b8, 0x2870) },
793 	{ USB_DEVICE(0x07b8, 0x2770) },
794 	{ USB_DEVICE(0x07b8, 0x3070) },
795 	{ USB_DEVICE(0x07b8, 0x3071) },
796 	{ USB_DEVICE(0x07b8, 0x3072) },
797 	{ USB_DEVICE(0x1482, 0x3c09) },
798 	/* AirTies */
799 	{ USB_DEVICE(0x1eda, 0x2012) },
800 	{ USB_DEVICE(0x1eda, 0x2210) },
801 	{ USB_DEVICE(0x1eda, 0x2310) },
802 	/* Allwin */
803 	{ USB_DEVICE(0x8516, 0x2070) },
804 	{ USB_DEVICE(0x8516, 0x2770) },
805 	{ USB_DEVICE(0x8516, 0x2870) },
806 	{ USB_DEVICE(0x8516, 0x3070) },
807 	{ USB_DEVICE(0x8516, 0x3071) },
808 	{ USB_DEVICE(0x8516, 0x3072) },
809 	/* Alpha Networks */
810 	{ USB_DEVICE(0x14b2, 0x3c06) },
811 	{ USB_DEVICE(0x14b2, 0x3c07) },
812 	{ USB_DEVICE(0x14b2, 0x3c09) },
813 	{ USB_DEVICE(0x14b2, 0x3c12) },
814 	{ USB_DEVICE(0x14b2, 0x3c23) },
815 	{ USB_DEVICE(0x14b2, 0x3c25) },
816 	{ USB_DEVICE(0x14b2, 0x3c27) },
817 	{ USB_DEVICE(0x14b2, 0x3c28) },
818 	{ USB_DEVICE(0x14b2, 0x3c2c) },
819 	/* Amit */
820 	{ USB_DEVICE(0x15c5, 0x0008) },
821 	/* Askey */
822 	{ USB_DEVICE(0x1690, 0x0740) },
823 	/* ASUS */
824 	{ USB_DEVICE(0x0b05, 0x1731) },
825 	{ USB_DEVICE(0x0b05, 0x1732) },
826 	{ USB_DEVICE(0x0b05, 0x1742) },
827 	{ USB_DEVICE(0x0b05, 0x1784) },
828 	{ USB_DEVICE(0x1761, 0x0b05) },
829 	/* AzureWave */
830 	{ USB_DEVICE(0x13d3, 0x3247) },
831 	{ USB_DEVICE(0x13d3, 0x3273) },
832 	{ USB_DEVICE(0x13d3, 0x3305) },
833 	{ USB_DEVICE(0x13d3, 0x3307) },
834 	{ USB_DEVICE(0x13d3, 0x3321) },
835 	/* Belkin */
836 	{ USB_DEVICE(0x050d, 0x8053) },
837 	{ USB_DEVICE(0x050d, 0x805c) },
838 	{ USB_DEVICE(0x050d, 0x815c) },
839 	{ USB_DEVICE(0x050d, 0x825a) },
840 	{ USB_DEVICE(0x050d, 0x825b) },
841 	{ USB_DEVICE(0x050d, 0x935a) },
842 	{ USB_DEVICE(0x050d, 0x935b) },
843 	/* Buffalo */
844 	{ USB_DEVICE(0x0411, 0x00e8) },
845 	{ USB_DEVICE(0x0411, 0x0158) },
846 	{ USB_DEVICE(0x0411, 0x015d) },
847 	{ USB_DEVICE(0x0411, 0x016f) },
848 	{ USB_DEVICE(0x0411, 0x01a2) },
849 	{ USB_DEVICE(0x0411, 0x01ee) },
850 	{ USB_DEVICE(0x0411, 0x01a8) },
851 	{ USB_DEVICE(0x0411, 0x01fd) },
852 	/* Corega */
853 	{ USB_DEVICE(0x07aa, 0x002f) },
854 	{ USB_DEVICE(0x07aa, 0x003c) },
855 	{ USB_DEVICE(0x07aa, 0x003f) },
856 	{ USB_DEVICE(0x18c5, 0x0012) },
857 	/* D-Link */
858 	{ USB_DEVICE(0x07d1, 0x3c09) },
859 	{ USB_DEVICE(0x07d1, 0x3c0a) },
860 	{ USB_DEVICE(0x07d1, 0x3c0d) },
861 	{ USB_DEVICE(0x07d1, 0x3c0e) },
862 	{ USB_DEVICE(0x07d1, 0x3c0f) },
863 	{ USB_DEVICE(0x07d1, 0x3c11) },
864 	{ USB_DEVICE(0x07d1, 0x3c13) },
865 	{ USB_DEVICE(0x07d1, 0x3c15) },
866 	{ USB_DEVICE(0x07d1, 0x3c16) },
867 	{ USB_DEVICE(0x07d1, 0x3c17) },
868 	{ USB_DEVICE(0x2001, 0x3317) },
869 	{ USB_DEVICE(0x2001, 0x3c1b) },
870 	{ USB_DEVICE(0x2001, 0x3c25) },
871 	/* Draytek */
872 	{ USB_DEVICE(0x07fa, 0x7712) },
873 	/* DVICO */
874 	{ USB_DEVICE(0x0fe9, 0xb307) },
875 	/* Edimax */
876 	{ USB_DEVICE(0x7392, 0x4085) },
877 	{ USB_DEVICE(0x7392, 0x7711) },
878 	{ USB_DEVICE(0x7392, 0x7717) },
879 	{ USB_DEVICE(0x7392, 0x7718) },
880 	{ USB_DEVICE(0x7392, 0x7722) },
881 	/* Encore */
882 	{ USB_DEVICE(0x203d, 0x1480) },
883 	{ USB_DEVICE(0x203d, 0x14a9) },
884 	/* EnGenius */
885 	{ USB_DEVICE(0x1740, 0x9701) },
886 	{ USB_DEVICE(0x1740, 0x9702) },
887 	{ USB_DEVICE(0x1740, 0x9703) },
888 	{ USB_DEVICE(0x1740, 0x9705) },
889 	{ USB_DEVICE(0x1740, 0x9706) },
890 	{ USB_DEVICE(0x1740, 0x9707) },
891 	{ USB_DEVICE(0x1740, 0x9708) },
892 	{ USB_DEVICE(0x1740, 0x9709) },
893 	/* Gemtek */
894 	{ USB_DEVICE(0x15a9, 0x0012) },
895 	/* Gigabyte */
896 	{ USB_DEVICE(0x1044, 0x800b) },
897 	{ USB_DEVICE(0x1044, 0x800d) },
898 	/* Hawking */
899 	{ USB_DEVICE(0x0e66, 0x0001) },
900 	{ USB_DEVICE(0x0e66, 0x0003) },
901 	{ USB_DEVICE(0x0e66, 0x0009) },
902 	{ USB_DEVICE(0x0e66, 0x000b) },
903 	{ USB_DEVICE(0x0e66, 0x0013) },
904 	{ USB_DEVICE(0x0e66, 0x0017) },
905 	{ USB_DEVICE(0x0e66, 0x0018) },
906 	/* I-O DATA */
907 	{ USB_DEVICE(0x04bb, 0x0945) },
908 	{ USB_DEVICE(0x04bb, 0x0947) },
909 	{ USB_DEVICE(0x04bb, 0x0948) },
910 	/* Linksys */
911 	{ USB_DEVICE(0x13b1, 0x0031) },
912 	{ USB_DEVICE(0x1737, 0x0070) },
913 	{ USB_DEVICE(0x1737, 0x0071) },
914 	{ USB_DEVICE(0x1737, 0x0077) },
915 	{ USB_DEVICE(0x1737, 0x0078) },
916 	/* Logitec */
917 	{ USB_DEVICE(0x0789, 0x0162) },
918 	{ USB_DEVICE(0x0789, 0x0163) },
919 	{ USB_DEVICE(0x0789, 0x0164) },
920 	{ USB_DEVICE(0x0789, 0x0166) },
921 	/* Motorola */
922 	{ USB_DEVICE(0x100d, 0x9031) },
923 	/* MSI */
924 	{ USB_DEVICE(0x0db0, 0x3820) },
925 	{ USB_DEVICE(0x0db0, 0x3821) },
926 	{ USB_DEVICE(0x0db0, 0x3822) },
927 	{ USB_DEVICE(0x0db0, 0x3870) },
928 	{ USB_DEVICE(0x0db0, 0x3871) },
929 	{ USB_DEVICE(0x0db0, 0x6899) },
930 	{ USB_DEVICE(0x0db0, 0x821a) },
931 	{ USB_DEVICE(0x0db0, 0x822a) },
932 	{ USB_DEVICE(0x0db0, 0x822b) },
933 	{ USB_DEVICE(0x0db0, 0x822c) },
934 	{ USB_DEVICE(0x0db0, 0x870a) },
935 	{ USB_DEVICE(0x0db0, 0x871a) },
936 	{ USB_DEVICE(0x0db0, 0x871b) },
937 	{ USB_DEVICE(0x0db0, 0x871c) },
938 	{ USB_DEVICE(0x0db0, 0x899a) },
939 	/* Ovislink */
940 	{ USB_DEVICE(0x1b75, 0x3070) },
941 	{ USB_DEVICE(0x1b75, 0x3071) },
942 	{ USB_DEVICE(0x1b75, 0x3072) },
943 	{ USB_DEVICE(0x1b75, 0xa200) },
944 	/* Para */
945 	{ USB_DEVICE(0x20b8, 0x8888) },
946 	/* Pegatron */
947 	{ USB_DEVICE(0x1d4d, 0x0002) },
948 	{ USB_DEVICE(0x1d4d, 0x000c) },
949 	{ USB_DEVICE(0x1d4d, 0x000e) },
950 	{ USB_DEVICE(0x1d4d, 0x0011) },
951 	/* Philips */
952 	{ USB_DEVICE(0x0471, 0x200f) },
953 	/* Planex */
954 	{ USB_DEVICE(0x2019, 0x5201) },
955 	{ USB_DEVICE(0x2019, 0xab25) },
956 	{ USB_DEVICE(0x2019, 0xed06) },
957 	/* Quanta */
958 	{ USB_DEVICE(0x1a32, 0x0304) },
959 	/* Ralink */
960 	{ USB_DEVICE(0x148f, 0x2070) },
961 	{ USB_DEVICE(0x148f, 0x2770) },
962 	{ USB_DEVICE(0x148f, 0x2870) },
963 	{ USB_DEVICE(0x148f, 0x3070) },
964 	{ USB_DEVICE(0x148f, 0x3071) },
965 	{ USB_DEVICE(0x148f, 0x3072) },
966 	/* Samsung */
967 	{ USB_DEVICE(0x04e8, 0x2018) },
968 	/* Siemens */
969 	{ USB_DEVICE(0x129b, 0x1828) },
970 	/* Sitecom */
971 	{ USB_DEVICE(0x0df6, 0x0017) },
972 	{ USB_DEVICE(0x0df6, 0x002b) },
973 	{ USB_DEVICE(0x0df6, 0x002c) },
974 	{ USB_DEVICE(0x0df6, 0x002d) },
975 	{ USB_DEVICE(0x0df6, 0x0039) },
976 	{ USB_DEVICE(0x0df6, 0x003b) },
977 	{ USB_DEVICE(0x0df6, 0x003d) },
978 	{ USB_DEVICE(0x0df6, 0x003e) },
979 	{ USB_DEVICE(0x0df6, 0x003f) },
980 	{ USB_DEVICE(0x0df6, 0x0040) },
981 	{ USB_DEVICE(0x0df6, 0x0042) },
982 	{ USB_DEVICE(0x0df6, 0x0047) },
983 	{ USB_DEVICE(0x0df6, 0x0048) },
984 	{ USB_DEVICE(0x0df6, 0x0051) },
985 	{ USB_DEVICE(0x0df6, 0x005f) },
986 	{ USB_DEVICE(0x0df6, 0x0060) },
987 	/* SMC */
988 	{ USB_DEVICE(0x083a, 0x6618) },
989 	{ USB_DEVICE(0x083a, 0x7511) },
990 	{ USB_DEVICE(0x083a, 0x7512) },
991 	{ USB_DEVICE(0x083a, 0x7522) },
992 	{ USB_DEVICE(0x083a, 0x8522) },
993 	{ USB_DEVICE(0x083a, 0xa618) },
994 	{ USB_DEVICE(0x083a, 0xa701) },
995 	{ USB_DEVICE(0x083a, 0xa702) },
996 	{ USB_DEVICE(0x083a, 0xa703) },
997 	{ USB_DEVICE(0x083a, 0xb522) },
998 	/* Sparklan */
999 	{ USB_DEVICE(0x15a9, 0x0006) },
1000 	/* Sweex */
1001 	{ USB_DEVICE(0x177f, 0x0153) },
1002 	{ USB_DEVICE(0x177f, 0x0164) },
1003 	{ USB_DEVICE(0x177f, 0x0302) },
1004 	{ USB_DEVICE(0x177f, 0x0313) },
1005 	{ USB_DEVICE(0x177f, 0x0323) },
1006 	{ USB_DEVICE(0x177f, 0x0324) },
1007 	/* U-Media */
1008 	{ USB_DEVICE(0x157e, 0x300e) },
1009 	{ USB_DEVICE(0x157e, 0x3013) },
1010 	/* ZCOM */
1011 	{ USB_DEVICE(0x0cde, 0x0022) },
1012 	{ USB_DEVICE(0x0cde, 0x0025) },
1013 	/* Zinwell */
1014 	{ USB_DEVICE(0x5a57, 0x0280) },
1015 	{ USB_DEVICE(0x5a57, 0x0282) },
1016 	{ USB_DEVICE(0x5a57, 0x0283) },
1017 	{ USB_DEVICE(0x5a57, 0x5257) },
1018 	/* Zyxel */
1019 	{ USB_DEVICE(0x0586, 0x3416) },
1020 	{ USB_DEVICE(0x0586, 0x3418) },
1021 	{ USB_DEVICE(0x0586, 0x341a) },
1022 	{ USB_DEVICE(0x0586, 0x341e) },
1023 	{ USB_DEVICE(0x0586, 0x343e) },
1024 #ifdef CONFIG_RT2800USB_RT33XX
1025 	/* Belkin */
1026 	{ USB_DEVICE(0x050d, 0x945b) },
1027 	/* D-Link */
1028 	{ USB_DEVICE(0x2001, 0x3c17) },
1029 	/* Panasonic */
1030 	{ USB_DEVICE(0x083a, 0xb511) },
1031 	/* Accton/Arcadyan/Epson */
1032 	{ USB_DEVICE(0x083a, 0xb512) },
1033 	/* Philips */
1034 	{ USB_DEVICE(0x0471, 0x20dd) },
1035 	/* Ralink */
1036 	{ USB_DEVICE(0x148f, 0x3370) },
1037 	{ USB_DEVICE(0x148f, 0x8070) },
1038 	/* Sitecom */
1039 	{ USB_DEVICE(0x0df6, 0x0050) },
1040 	/* Sweex */
1041 	{ USB_DEVICE(0x177f, 0x0163) },
1042 	{ USB_DEVICE(0x177f, 0x0165) },
1043 #endif
1044 #ifdef CONFIG_RT2800USB_RT35XX
1045 	/* Allwin */
1046 	{ USB_DEVICE(0x8516, 0x3572) },
1047 	/* Askey */
1048 	{ USB_DEVICE(0x1690, 0x0744) },
1049 	{ USB_DEVICE(0x1690, 0x0761) },
1050 	{ USB_DEVICE(0x1690, 0x0764) },
1051 	/* ASUS */
1052 	{ USB_DEVICE(0x0b05, 0x179d) },
1053 	/* Cisco */
1054 	{ USB_DEVICE(0x167b, 0x4001) },
1055 	/* EnGenius */
1056 	{ USB_DEVICE(0x1740, 0x9801) },
1057 	/* I-O DATA */
1058 	{ USB_DEVICE(0x04bb, 0x0944) },
1059 	/* Linksys */
1060 	{ USB_DEVICE(0x13b1, 0x002f) },
1061 	{ USB_DEVICE(0x1737, 0x0079) },
1062 	/* Logitec */
1063 	{ USB_DEVICE(0x0789, 0x0170) },
1064 	/* Ralink */
1065 	{ USB_DEVICE(0x148f, 0x3572) },
1066 	/* Sitecom */
1067 	{ USB_DEVICE(0x0df6, 0x0041) },
1068 	{ USB_DEVICE(0x0df6, 0x0062) },
1069 	{ USB_DEVICE(0x0df6, 0x0065) },
1070 	{ USB_DEVICE(0x0df6, 0x0066) },
1071 	{ USB_DEVICE(0x0df6, 0x0068) },
1072 	/* Toshiba */
1073 	{ USB_DEVICE(0x0930, 0x0a07) },
1074 	/* Zinwell */
1075 	{ USB_DEVICE(0x5a57, 0x0284) },
1076 #endif
1077 #ifdef CONFIG_RT2800USB_RT3573
1078 	/* AirLive */
1079 	{ USB_DEVICE(0x1b75, 0x7733) },
1080 	/* ASUS */
1081 	{ USB_DEVICE(0x0b05, 0x17bc) },
1082 	{ USB_DEVICE(0x0b05, 0x17ad) },
1083 	/* Belkin */
1084 	{ USB_DEVICE(0x050d, 0x1103) },
1085 	/* Cameo */
1086 	{ USB_DEVICE(0x148f, 0xf301) },
1087 	/* D-Link */
1088 	{ USB_DEVICE(0x2001, 0x3c1f) },
1089 	/* Edimax */
1090 	{ USB_DEVICE(0x7392, 0x7733) },
1091 	/* Hawking */
1092 	{ USB_DEVICE(0x0e66, 0x0020) },
1093 	{ USB_DEVICE(0x0e66, 0x0021) },
1094 	/* I-O DATA */
1095 	{ USB_DEVICE(0x04bb, 0x094e) },
1096 	/* Linksys */
1097 	{ USB_DEVICE(0x13b1, 0x003b) },
1098 	/* Logitec */
1099 	{ USB_DEVICE(0x0789, 0x016b) },
1100 	/* NETGEAR */
1101 	{ USB_DEVICE(0x0846, 0x9012) },
1102 	{ USB_DEVICE(0x0846, 0x9013) },
1103 	{ USB_DEVICE(0x0846, 0x9019) },
1104 	/* Planex */
1105 	{ USB_DEVICE(0x2019, 0xed19) },
1106 	/* Ralink */
1107 	{ USB_DEVICE(0x148f, 0x3573) },
1108 	/* Sitecom */
1109 	{ USB_DEVICE(0x0df6, 0x0067) },
1110 	{ USB_DEVICE(0x0df6, 0x006a) },
1111 	{ USB_DEVICE(0x0df6, 0x006e) },
1112 	/* ZyXEL */
1113 	{ USB_DEVICE(0x0586, 0x3421) },
1114 #endif
1115 #ifdef CONFIG_RT2800USB_RT53XX
1116 	/* Arcadyan */
1117 	{ USB_DEVICE(0x043e, 0x7a12) },
1118 	{ USB_DEVICE(0x043e, 0x7a32) },
1119 	/* ASUS */
1120 	{ USB_DEVICE(0x0b05, 0x17e8) },
1121 	/* Azurewave */
1122 	{ USB_DEVICE(0x13d3, 0x3329) },
1123 	{ USB_DEVICE(0x13d3, 0x3365) },
1124 	/* D-Link */
1125 	{ USB_DEVICE(0x2001, 0x3c15) },
1126 	{ USB_DEVICE(0x2001, 0x3c19) },
1127 	{ USB_DEVICE(0x2001, 0x3c1c) },
1128 	{ USB_DEVICE(0x2001, 0x3c1d) },
1129 	{ USB_DEVICE(0x2001, 0x3c1e) },
1130 	{ USB_DEVICE(0x2001, 0x3c20) },
1131 	{ USB_DEVICE(0x2001, 0x3c22) },
1132 	{ USB_DEVICE(0x2001, 0x3c23) },
1133 	/* LG innotek */
1134 	{ USB_DEVICE(0x043e, 0x7a22) },
1135 	{ USB_DEVICE(0x043e, 0x7a42) },
1136 	/* Panasonic */
1137 	{ USB_DEVICE(0x04da, 0x1801) },
1138 	{ USB_DEVICE(0x04da, 0x1800) },
1139 	{ USB_DEVICE(0x04da, 0x23f6) },
1140 	/* Philips */
1141 	{ USB_DEVICE(0x0471, 0x2104) },
1142 	{ USB_DEVICE(0x0471, 0x2126) },
1143 	{ USB_DEVICE(0x0471, 0x2180) },
1144 	{ USB_DEVICE(0x0471, 0x2181) },
1145 	{ USB_DEVICE(0x0471, 0x2182) },
1146 	/* Ralink */
1147 	{ USB_DEVICE(0x148f, 0x5370) },
1148 	{ USB_DEVICE(0x148f, 0x5372) },
1149 #endif
1150 #ifdef CONFIG_RT2800USB_RT55XX
1151 	/* Arcadyan */
1152 	{ USB_DEVICE(0x043e, 0x7a32) },
1153 	/* AVM GmbH */
1154 	{ USB_DEVICE(0x057c, 0x8501) },
1155 	/* Buffalo */
1156 	{ USB_DEVICE(0x0411, 0x0241) },
1157 	{ USB_DEVICE(0x0411, 0x0253) },
1158 	/* D-Link */
1159 	{ USB_DEVICE(0x2001, 0x3c1a) },
1160 	{ USB_DEVICE(0x2001, 0x3c21) },
1161 	/* Proware */
1162 	{ USB_DEVICE(0x043e, 0x7a13) },
1163 	/* Ralink */
1164 	{ USB_DEVICE(0x148f, 0x5572) },
1165 	/* TRENDnet */
1166 	{ USB_DEVICE(0x20f4, 0x724a) },
1167 #endif
1168 #ifdef CONFIG_RT2800USB_UNKNOWN
1169 	/*
1170 	 * Unclear what kind of devices these are (they aren't supported by the
1171 	 * vendor linux driver).
1172 	 */
1173 	/* Abocom */
1174 	{ USB_DEVICE(0x07b8, 0x3073) },
1175 	{ USB_DEVICE(0x07b8, 0x3074) },
1176 	/* Alpha Networks */
1177 	{ USB_DEVICE(0x14b2, 0x3c08) },
1178 	{ USB_DEVICE(0x14b2, 0x3c11) },
1179 	/* Amigo */
1180 	{ USB_DEVICE(0x0e0b, 0x9031) },
1181 	{ USB_DEVICE(0x0e0b, 0x9041) },
1182 	/* ASUS */
1183 	{ USB_DEVICE(0x0b05, 0x166a) },
1184 	{ USB_DEVICE(0x0b05, 0x1760) },
1185 	{ USB_DEVICE(0x0b05, 0x1761) },
1186 	{ USB_DEVICE(0x0b05, 0x1790) },
1187 	{ USB_DEVICE(0x0b05, 0x17a7) },
1188 	/* AzureWave */
1189 	{ USB_DEVICE(0x13d3, 0x3262) },
1190 	{ USB_DEVICE(0x13d3, 0x3284) },
1191 	{ USB_DEVICE(0x13d3, 0x3322) },
1192 	{ USB_DEVICE(0x13d3, 0x3340) },
1193 	{ USB_DEVICE(0x13d3, 0x3399) },
1194 	{ USB_DEVICE(0x13d3, 0x3400) },
1195 	{ USB_DEVICE(0x13d3, 0x3401) },
1196 	/* Belkin */
1197 	{ USB_DEVICE(0x050d, 0x1003) },
1198 	/* Buffalo */
1199 	{ USB_DEVICE(0x0411, 0x012e) },
1200 	{ USB_DEVICE(0x0411, 0x0148) },
1201 	{ USB_DEVICE(0x0411, 0x0150) },
1202 	/* Corega */
1203 	{ USB_DEVICE(0x07aa, 0x0041) },
1204 	{ USB_DEVICE(0x07aa, 0x0042) },
1205 	{ USB_DEVICE(0x18c5, 0x0008) },
1206 	/* D-Link */
1207 	{ USB_DEVICE(0x07d1, 0x3c0b) },
1208 	/* Encore */
1209 	{ USB_DEVICE(0x203d, 0x14a1) },
1210 	/* EnGenius */
1211 	{ USB_DEVICE(0x1740, 0x0600) },
1212 	{ USB_DEVICE(0x1740, 0x0602) },
1213 	/* Gemtek */
1214 	{ USB_DEVICE(0x15a9, 0x0010) },
1215 	/* Gigabyte */
1216 	{ USB_DEVICE(0x1044, 0x800c) },
1217 	/* Hercules */
1218 	{ USB_DEVICE(0x06f8, 0xe036) },
1219 	/* Huawei */
1220 	{ USB_DEVICE(0x148f, 0xf101) },
1221 	/* I-O DATA */
1222 	{ USB_DEVICE(0x04bb, 0x094b) },
1223 	/* LevelOne */
1224 	{ USB_DEVICE(0x1740, 0x0605) },
1225 	{ USB_DEVICE(0x1740, 0x0615) },
1226 	/* Logitec */
1227 	{ USB_DEVICE(0x0789, 0x0168) },
1228 	{ USB_DEVICE(0x0789, 0x0169) },
1229 	/* Motorola */
1230 	{ USB_DEVICE(0x100d, 0x9032) },
1231 	/* Pegatron */
1232 	{ USB_DEVICE(0x05a6, 0x0101) },
1233 	{ USB_DEVICE(0x1d4d, 0x0010) },
1234 	/* Planex */
1235 	{ USB_DEVICE(0x2019, 0xab24) },
1236 	{ USB_DEVICE(0x2019, 0xab29) },
1237 	/* Qcom */
1238 	{ USB_DEVICE(0x18e8, 0x6259) },
1239 	/* RadioShack */
1240 	{ USB_DEVICE(0x08b9, 0x1197) },
1241 	/* Sitecom */
1242 	{ USB_DEVICE(0x0df6, 0x003c) },
1243 	{ USB_DEVICE(0x0df6, 0x004a) },
1244 	{ USB_DEVICE(0x0df6, 0x004d) },
1245 	{ USB_DEVICE(0x0df6, 0x0053) },
1246 	{ USB_DEVICE(0x0df6, 0x0069) },
1247 	{ USB_DEVICE(0x0df6, 0x006f) },
1248 	{ USB_DEVICE(0x0df6, 0x0078) },
1249 	/* SMC */
1250 	{ USB_DEVICE(0x083a, 0xa512) },
1251 	{ USB_DEVICE(0x083a, 0xc522) },
1252 	{ USB_DEVICE(0x083a, 0xd522) },
1253 	{ USB_DEVICE(0x083a, 0xf511) },
1254 	/* Sweex */
1255 	{ USB_DEVICE(0x177f, 0x0254) },
1256 	/* TP-LINK */
1257 	{ USB_DEVICE(0xf201, 0x5370) },
1258 #endif
1259 	{ 0, }
1260 };
1261 
1262 MODULE_AUTHOR(DRV_PROJECT);
1263 MODULE_VERSION(DRV_VERSION);
1264 MODULE_DESCRIPTION("Ralink RT2800 USB Wireless LAN driver.");
1265 MODULE_SUPPORTED_DEVICE("Ralink RT2870 USB chipset based cards");
1266 MODULE_DEVICE_TABLE(usb, rt2800usb_device_table);
1267 MODULE_FIRMWARE(FIRMWARE_RT2870);
1268 MODULE_LICENSE("GPL");
1269 
1270 static int rt2800usb_probe(struct usb_interface *usb_intf,
1271 			   const struct usb_device_id *id)
1272 {
1273 	return rt2x00usb_probe(usb_intf, &rt2800usb_ops);
1274 }
1275 
1276 static struct usb_driver rt2800usb_driver = {
1277 	.name		= KBUILD_MODNAME,
1278 	.id_table	= rt2800usb_device_table,
1279 	.probe		= rt2800usb_probe,
1280 	.disconnect	= rt2x00usb_disconnect,
1281 	.suspend	= rt2x00usb_suspend,
1282 	.resume		= rt2x00usb_resume,
1283 	.reset_resume	= rt2x00usb_resume,
1284 	.disable_hub_initiated_lpm = 1,
1285 };
1286 
1287 module_usb_driver(rt2800usb_driver);
1288